CN104297874A - Double-core butterfly optical cable production technology - Google Patents
Double-core butterfly optical cable production technology Download PDFInfo
- Publication number
- CN104297874A CN104297874A CN201410450066.0A CN201410450066A CN104297874A CN 104297874 A CN104297874 A CN 104297874A CN 201410450066 A CN201410450066 A CN 201410450066A CN 104297874 A CN104297874 A CN 104297874A
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- China
- Prior art keywords
- optical cable
- reinforcement
- cable
- twin
- optical fiber
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Abstract
The invention discloses a double-core butterfly optical cable production technology. A suspension wire reinforcing piece, a plurality of optical cable reinforcing pieces and two optical fibers are let out; the relative position of the suspension wire reinforcing piece, the optical cable reinforcing pieces and the two optical fibers is determined; the suspension wire reinforcing piece, the optical fibers, the optical cable reinforcing pieces and thermoplastic resin pass through a plastic extruding machine, and the plastic extruding machine shapes the thermoplastic resin into an optical cable protection cover and packages the suspension wire reinforcing piece, the optical fibers and the optical cable reinforcing pieces in the protection cover so that a double-core butterfly optical cable can be generated; the double-core butterfly optical cable is cooled; the double-core butterfly optical cable is pulled and straightened. The technology is used for producing the double-core butterfly optical cable, the two optical fibers of the optical cable are independent and do not affect each other, and the abnormal probability is greatly decreased.
Description
Technical field
The present invention relates to a kind of optical cable production technology, particularly a kind of twin-core butterfly optical cable production technology.
Background technology
Optical fiber is a kind of fiber be made up of glass or plastics, can be used as light conduction instrument.Based on optical fiber good confidentiality, the characteristic such as capacity is high, speed is high, optical fiber has a wide range of applications in the communications.
The shortcoming of traditional single core butterfly optical cable is if fibercuts, easily cause the interruption of optical fiber communication, so generally adopt twin fiber cable at larger backbone transport network, the object of use twin fiber cable is the needs due to equipment, twin-core uses all simultaneously, or wherein an optical fiber uses as spare fibre, in case wherein an optical fiber occurs abnormal.Conventional twin fiber cable is two optical fiber encapsulated in plastic sheath side by side, as shown in Figure 7, because the optical fiber in this kind of twin fiber cable is close to, except the exception that the factor of optical fiber itself causes, by the external world carry out causing squeeze, pressure, the situation such as curved all can impact two optical fiber simultaneously.So when this kind of twin fiber cable is generally as spare fibre, have little significance.
Therefore, need a kind of new double-core butterfly optical cable, ensure that two optical fiber are relatively independent, be independent of each other, occur that abnormal probability reduces greatly simultaneously, can effectively ensure the normal of optical fiber communication.For producing the optical cable of this shape, need to design a kind of twin-core butterfly optical cable production technology.
Summary of the invention
The object of this invention is to provide a kind of twin-core butterfly optical cable production technology, for the production of a kind of twin-core butterfly optical cable, two optical fiber of this optical cable are relatively independent, are independent of each other, and occur that abnormal probability reduces greatly simultaneously.
For achieving the above object, the technical scheme that one embodiment of the present of invention are taked comprises the following steps:
Release messenger wire reinforcement, many optical cable reinforcements and two optical fiber;
Determine the relative position of messenger wire reinforcement, optical cable reinforcement and two optical fiber;
Messenger wire reinforcement, optical fiber, optical cable reinforcement are by extruding machine together with thermoplastic resin, and thermoplastic resin is extruded into cable jacket and is encapsulated in sheath by messenger wire reinforcement, optical fiber and optical cable reinforcement by extruding machine, generate twin-core butterfly optical cable;
Cool described twin-core butterfly optical cable; And
Draw stretching described twin-core butterfly optical cable.
The beneficial effect that this twin-core butterfly optical cable production technology produces is: the production twin-core butterfly optical cable of this technique energy convenience and high-efficiency, two optical fiber of this optical cable are relatively independent, are independent of each other, and occur that abnormal probability reduces greatly simultaneously.
Accompanying drawing explanation
Figure 1 shows that the process schematic of an embodiment of a kind of twin-core butterfly optical cable production technology of the present invention.
Figure 2 shows that the active drawoff structure schematic diagram of one that messenger wire reinforcement of the present invention or optical cable reinforcement unwrapping wire adopt.
Figure 3 shows that the relative position by optical cable mould determination messenger wire reinforcement, optical cable reinforcement and optical fiber of the present invention and by messenger wire reinforcement, optical cable reinforcement and the process schematic of fibre-optic package in cable jacket.
Figure 4 shows that the structural representation of a kind of optical cable production mould of the present invention.
Figure 5 shows that the structural representation of the internal mold of a kind of optical cable production mould of the present invention.
Figure 6 shows that the structural representation of the external mold of a kind of optical cable production mould of the present invention.
Figure 7 shows that the cross-sectional view of a kind of twin-core butterfly optical cable that one embodiment of the present of invention are produced.
Figure 8 shows that the cross-sectional view of a kind of twin-core butterfly optical cable that one embodiment of the present of invention are produced.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with the specific embodiment of the invention and corresponding accompanying drawing, technical solution of the present invention is clearly and completely described.
With reference to figure 1, Figure 1 shows that the process schematic of an embodiment of a kind of twin-core butterfly optical cable production technology of the present invention.In the present embodiment, twin-core butterfly optical cable production technology comprises step 101 ~ 105:
In a step 101, messenger wire reinforcement, many optical cable reinforcements and two optical fiber are released.
In one embodiment of the invention, as shown in Figure 2, Fig. 2 is the active drawoff structure of one that messenger wire reinforcement of the present invention or optical cable reinforcement unwrapping wire adopt, messenger wire reinforcement or optical cable reinforcement pull out from discharge plate 21, through the pulley blocks that fixed pulley 22 and travelling block 23 form, eventually pass pulley 24 and release, the position of travelling block 23 can be regulated, to adjust the laying tension of messenger wire reinforcement or optical cable reinforcement, ensure that the laying tension of optical cable reinforcement is stablized.
In one embodiment of the invention, payingoff speed or the laying tension of adjustment messenger wire reinforcement or optical cable reinforcement can be controlled by logic control element.
In one embodiment of the invention, messenger wire reinforcement laying tension can be 950g ~ 1050g, and the laying tension of optical cable reinforcement can be adjusted to 480g ~ 520g.
In one embodiment of the invention, optical fiber unwrapping wire can adopt active drawoff structure, can adjust the laying tension of optical fiber, ensures that the laying tension of optical fiber is stablized.
In one embodiment of the invention, payingoff speed or the laying tension of optical fiber can be controlled by logic control element.
In one embodiment of the invention, optical fiber laying tension can be adjusted to 90g ~ 110g.
In a step 102, the relative position of messenger wire reinforcement, optical cable reinforcement and two optical fiber is determined.
In one embodiment of the invention, as shown in Fig. 3 ~ Fig. 5, Figure 3 shows that the relative position by optical cable mould determination messenger wire reinforcement, optical cable reinforcement and optical fiber of the present invention and by messenger wire reinforcement, optical cable reinforcement and the process schematic of fibre-optic package in cable jacket; Figure 4 shows that the structural representation of a kind of optical cable production mould of the present invention; Figure 5 shows that the structural representation of the internal mold of a kind of optical cable production mould of the present invention.In figure 3, messenger wire reinforcement, optical cable reinforcement and optical fiber are by the internal mold 1 on fixing extruding machine, in Figure 5, internal mold is provided with cable hole 51, the end of cable hole 51 is provided with cable fixer 52, and messenger wire reinforcement, optical cable reinforcement and optical fiber are determined by cable fixer 52 and fixed the relative position between three.
In step 103, messenger wire reinforcement, optical fiber, optical cable reinforcement pass through extruding machine together with thermoplastic resin, thermoplastic resin is extruded into cable jacket and is encapsulated in sheath by messenger wire reinforcement, optical fiber and optical cable reinforcement by extruding machine, generates twin-core butterfly optical cable.
In one embodiment of the invention, as Fig. 3, Fig. 4, shown in Fig. 6, internal mold 1 and the external mold 2 of optical cable mould are arranged with one heart, cushion block 3 is provided with between internal mold 1 and external mold 2, determine and secure the messenger wire reinforcement of relative position, optical cable reinforcement and optical fiber pass through external mold 2 together with thermoplastic resin, external mold 2 is provided with extrusion molding hole 61, the end in extrusion molding hole 61 is provided with sheath former 62, thermoplastic resin is extruded into cable jacket at sheath former 62 place and by messenger wire reinforcement, optical fiber and optical cable reinforcement are encapsulated in sheath, form final twin-core butterfly optical cable shape.
At step 104, twin-core butterfly optical cable is cooled.
In one embodiment of the invention, can twin-core butterfly optical cable be put in tank, with water, twin-core butterfly optical cable be cooled.
In step 105, stretching twin-core butterfly optical cable is drawn.
In one embodiment of the invention, stretching twin-core butterfly optical cable can be drawn by traction engine.
In one embodiment of the invention, optical cable takeup tension can be 1400 ~ 1600g.
In one embodiment of the invention, can further include step 106 ~ 107.
In step 106, test traction stretching after the diameter of twin-core butterfly optical cable whether meet standard.
In one embodiment of the invention, can by test gained diameter data feed back to logic control element analysis, judge extruding machine and traction engine whether synchronous.If extruding machine is asynchronous with traction engine, then adjust the speed of extruding machine or traction engine, make to judge that extruding machine and traction engine keep synchronous, ensure that optic cable diameter is that raising speed or reduction of speed all keep stable, the diameter of the twin-core butterfly optical cable after making traction stretching meets standard.
In step 107, by the drum of the twin-core butterfly optical cable of test passes in upper rolling frame, whole production runes of product are completed.
Figure 8 shows that the cross-sectional view of a kind of pair of butterfly optical cable obtained by technique of the present invention.
In one embodiment of the invention, only optical cable reinforcement and optical fiber can be released in step 101.
Above-mentioned embodiment is used for explaining and the present invention is described, instead of limits the invention, and in the protection domain of spirit of the present invention and claim, any amendment make the present invention and change, all fall into protection scope of the present invention.
Claims (4)
1. a twin-core butterfly optical cable production technology, is characterized in that, comprises the following steps:
Release messenger wire reinforcement, many optical cable reinforcements and two optical fiber;
Determine the relative position of messenger wire reinforcement, optical cable reinforcement and two optical fiber;
Messenger wire reinforcement, optical fiber, optical cable reinforcement are by extruding machine together with thermoplastic resin, and thermoplastic resin is extruded into cable jacket and is encapsulated in sheath by messenger wire reinforcement, optical fiber and optical cable reinforcement by extruding machine, generate twin-core butterfly optical cable;
Cool described twin-core butterfly optical cable; And
Draw stretching described twin-core butterfly optical cable.
2. technique according to claim 1, is characterized in that, further comprising the steps of after the stretching described twin-core butterfly optical cable step of described traction:
Whether the diameter testing described twin-core butterfly optical cable meets standard; And
The twin-core butterfly optical cable of rolling test passes is on the drum of frame.
3. want the technique described in 1 or 2 according to right, it is characterized in that:
Described extruding machine is provided with twin-core butterfly optical cable mould, and described mould comprises internal mold and external mold;
Described internal mold is provided with cable fixer, and messenger wire reinforcement, optical cable reinforcement and two optical fiber are by determining messenger wire reinforcement, relative position between optical fiber and optical cable reinforcement during described cable fixer; And
Described external mold is provided with sheath former, and when thermoplastic resin, messenger wire reinforcement, optical fiber and optical cable reinforcement material are by sheath former, thermoplastic resin is extruded into cable jacket and messenger wire reinforcement, optical fiber and optical cable reinforcement is encapsulated in sheath.
4. technique according to claim 1, is characterized in that:
Described messenger wire reinforcement laying tension is 950g ~ 1050 g;
The laying tension of described optical cable reinforcement is 480g ~ 520 g;
Described optical fiber laying tension is 90g ~ 110g; And
Described optical cable takeup tension 1400 ~ 1600g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410450066.0A CN104297874A (en) | 2014-09-05 | 2014-09-05 | Double-core butterfly optical cable production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410450066.0A CN104297874A (en) | 2014-09-05 | 2014-09-05 | Double-core butterfly optical cable production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104297874A true CN104297874A (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410450066.0A Pending CN104297874A (en) | 2014-09-05 | 2014-09-05 | Double-core butterfly optical cable production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104297874A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186990A (en) * | 2017-06-24 | 2017-09-22 | 江苏法尔胜光电科技有限公司 | Integral type extruded mould |
| CN107765380A (en) * | 2017-10-11 | 2018-03-06 | 杭州富通通信技术股份有限公司 | The production technology of butterfly cable |
| CN115933087A (en) * | 2022-12-27 | 2023-04-07 | 江苏华脉新材料有限公司 | Butterfly-shaped optical cable and production process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030133676A1 (en) * | 2002-01-11 | 2003-07-17 | Fujikura Ltd. | Optical fiber drop cable |
| CN203324547U (en) * | 2013-07-25 | 2013-12-04 | 杭州富通通信技术股份有限公司 | Novel FTTH (Fiber to the Home)-used 8-shaped optical cable and die thereof |
| CN203519898U (en) * | 2013-10-10 | 2014-04-02 | 江苏凯诺电缆集团有限公司 | Pipeline-used rubber-insulated fiber cable |
| CN203799071U (en) * | 2013-12-09 | 2014-08-27 | 河南省通信电缆有限公司郑州分公司 | Double-core optical cable |
-
2014
- 2014-09-05 CN CN201410450066.0A patent/CN104297874A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030133676A1 (en) * | 2002-01-11 | 2003-07-17 | Fujikura Ltd. | Optical fiber drop cable |
| CN203324547U (en) * | 2013-07-25 | 2013-12-04 | 杭州富通通信技术股份有限公司 | Novel FTTH (Fiber to the Home)-used 8-shaped optical cable and die thereof |
| CN203519898U (en) * | 2013-10-10 | 2014-04-02 | 江苏凯诺电缆集团有限公司 | Pipeline-used rubber-insulated fiber cable |
| CN203799071U (en) * | 2013-12-09 | 2014-08-27 | 河南省通信电缆有限公司郑州分公司 | Double-core optical cable |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107186990A (en) * | 2017-06-24 | 2017-09-22 | 江苏法尔胜光电科技有限公司 | Integral type extruded mould |
| CN107765380A (en) * | 2017-10-11 | 2018-03-06 | 杭州富通通信技术股份有限公司 | The production technology of butterfly cable |
| CN107765380B (en) * | 2017-10-11 | 2020-01-17 | 杭州富通通信技术股份有限公司 | Production process of butterfly cable |
| CN115933087A (en) * | 2022-12-27 | 2023-04-07 | 江苏华脉新材料有限公司 | Butterfly-shaped optical cable and production process thereof |
| CN115933087B (en) * | 2022-12-27 | 2023-09-29 | 江苏华脉新材料有限公司 | Butterfly-shaped optical cable and production process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO XINTONG INFORMATION TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: NINGBO XINTONG CABLE CO., LTD. Effective date: 20150123 |
|
| C10 | Entry into substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20150123 Address after: 315100 Yinzhou District, Ningbo, South Street, the first emerging industrial park Applicant after: NINGBO XINTONG INFORMATION TECHNOLOGY CO., LTD. Address before: 315100 Yinzhou District, Ningbo, South Street, the first emerging industrial park Applicant before: NINGBO XINTONG CABLE CO., LTD. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150121 |